diff -r dcee1338df33 libs/numeric/ublas/test/test11.cpp
--- a/libs/numeric/ublas/test/test11.cpp	Tue Sep 29 15:01:07 2009 -0400
+++ b/libs/numeric/ublas/test/test11.cpp	Fri Oct 09 11:41:57 2009 -0400
@@ -92,7 +92,10 @@
         v2 = v1 * value_type (1.);
         std::cout << "v1 * 1. = " << v2 << std::endl;
         v2 = v1 * t;
-        std::cout << "v1 * N = " << v2 << std::endl;
+        std::cout << "v1 * value_type(N) = " << v2 << std::endl;
+	// test interop with integer
+	v2 = v1 * N;
+	std::cout << "v1 * N = " << v2 << std::endl;
 
         // Some assignments
         initialize_vector (v1);
@@ -108,6 +111,9 @@
         v1 *= value_type (1.);
         std::cout << "v1 *= 1. = " << v1 << std::endl;
         v1 *= t;
+        std::cout << "v1 *= value_type(N) = " << v1 << std::endl;
+	// test interop with integer
+	v1 *= N;
         std::cout << "v1 *= N = " << v1 << std::endl;
 
         // Unary vector operations resulting in a scalar